/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/ViewModels/Stack/NiagaraStackSimulationStageGroup.h
[TWeakObjectPtr](API\Runtime\Core\UObject\TWeakObjectPtr)< [UNiagaraSimulationStageBase](API\Plugins\Niagara\UNiagaraSimulationStageBase) > GetSimulationStage() const